From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: qemu-devel@nongnu.org, qemu-block@nongnu.org
Cc: berrange@redhat.com, mreitz@redhat.com, kwolf@redhat.com,
berto@igalia.com, vsementsov@virtuozzo.com, den@openvz.org
Subject: [Qemu-devel] [PATCH v3 4/5] crypto/block: introduce qcrypto_block_*crypt_helper functions
Date: Fri, 7 Dec 2018 19:13:50 +0300 [thread overview]
Message-ID: <20181207161351.4380-5-vsementsov@virtuozzo.com> (raw)
In-Reply-To: <20181207161351.4380-1-vsementsov@virtuozzo.com>
Introduce QCryptoBlock-based functions and use them where possible.
This is needed to implement thread-safe encrypt/decrypt operations.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
---
crypto/blockpriv.h | 14 ++++++++++++++
crypto/block-luks.c | 14 ++++++--------
crypto/block-qcow.c | 14 ++++++--------
crypto/block.c | 28 ++++++++++++++++++++++++++++
4 files changed, 54 insertions(+), 16 deletions(-)
diff --git a/crypto/blockpriv.h b/crypto/blockpriv.h
index 54bbe1eb6a..438c08bec2 100644
--- a/crypto/blockpriv.h
+++ b/crypto/blockpriv.h
@@ -96,4 +96,18 @@ int qcrypto_block_cipher_encrypt_helper(QCryptoCipher *cipher,
size_t len,
Error **errp);
+int qcrypto_block_decrypt_helper(QCryptoBlock *block,
+ int sectorsize,
+ uint64_t offset,
+ uint8_t *buf,
+ size_t len,
+ Error **errp);
+
+int qcrypto_block_encrypt_helper(QCryptoBlock *block,
+ int sectorsize,
+ uint64_t offset,
+ uint8_t *buf,
+ size_t len,
+ Error **errp);
+
#endif /* QCRYPTO_BLOCKPRIV_H */
diff --git a/crypto/block-luks.c b/crypto/block-luks.c
index 353a400595..e486e7ee94 100644
--- a/crypto/block-luks.c
+++ b/crypto/block-luks.c
@@ -1409,10 +1409,9 @@ qcrypto_block_luks_decrypt(QCryptoBlock *block,
{
assert(QEMU_IS_ALIGNED(offset, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE));
assert(QEMU_IS_ALIGNED(len, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE));
- return qcrypto_block_cipher_decrypt_helper(block->cipher,
- block->niv, block->ivgen,
- QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
- offset, buf, len, errp);
+ return qcrypto_block_decrypt_helper(block,
+ QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
+ offset, buf, len, errp);
}
@@ -1425,10 +1424,9 @@ qcrypto_block_luks_encrypt(QCryptoBlock *block,
{
assert(QEMU_IS_ALIGNED(offset, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE));
assert(QEMU_IS_ALIGNED(len, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE));
- return qcrypto_block_cipher_encrypt_helper(block->cipher,
- block->niv, block->ivgen,
- QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
- offset, buf, len, errp);
+ return qcrypto_block_encrypt_helper(block,
+ QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
+ offset, buf, len, errp);
}
diff --git a/crypto/block-qcow.c b/crypto/block-qcow.c
index 3b6722deb0..36bf5f09b7 100644
--- a/crypto/block-qcow.c
+++ b/crypto/block-qcow.c
@@ -152,10 +152,9 @@ qcrypto_block_qcow_decrypt(QCryptoBlock *block,
{
assert(QEMU_IS_ALIGNED(offset, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
assert(QEMU_IS_ALIGNED(len, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
- return qcrypto_block_cipher_decrypt_helper(block->cipher,
- block->niv, block->ivgen,
- QCRYPTO_BLOCK_QCOW_SECTOR_SIZE,
- offset, buf, len, errp);
+ return qcrypto_block_decrypt_helper(block,
+ QCRYPTO_BLOCK_QCOW_SECTOR_SIZE,
+ offset, buf, len, errp);
}
@@ -168,10 +167,9 @@ qcrypto_block_qcow_encrypt(QCryptoBlock *block,
{
assert(QEMU_IS_ALIGNED(offset, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
assert(QEMU_IS_ALIGNED(len, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
- return qcrypto_block_cipher_encrypt_helper(block->cipher,
- block->niv, block->ivgen,
- QCRYPTO_BLOCK_QCOW_SECTOR_SIZE,
- offset, buf, len, errp);
+ return qcrypto_block_encrypt_helper(block,
+ QCRYPTO_BLOCK_QCOW_SECTOR_SIZE,
+ offset, buf, len, errp);
}
diff --git a/crypto/block.c b/crypto/block.c
index d43139dbc7..3fe3de2ef8 100644
--- a/crypto/block.c
+++ b/crypto/block.c
@@ -277,3 +277,31 @@ int qcrypto_block_cipher_encrypt_helper(QCryptoCipher *cipher,
offset, buf, len,
qcrypto_cipher_encrypt, errp);
}
+
+
+int qcrypto_block_decrypt_helper(QCryptoBlock *block,
+ int sectorsize,
+ uint64_t offset,
+ uint8_t *buf,
+ size_t len,
+ Error **errp)
+{
+ return do_qcrypto_block_cipher_encdec(block->cipher, block->niv,
+ block->ivgen,
+ sectorsize, offset, buf, len,
+ qcrypto_cipher_decrypt, errp);
+}
+
+
+int qcrypto_block_encrypt_helper(QCryptoBlock *block,
+ int sectorsize,
+ uint64_t offset,
+ uint8_t *buf,
+ size_t len,
+ Error **errp)
+{
+ return do_qcrypto_block_cipher_encdec(block->cipher, block->niv,
+ block->ivgen,
+ sectorsize, offset, buf, len,
+ qcrypto_cipher_encrypt, errp);
+}
--
2.18.0
next prev parent reply other threads:[~2018-12-07 16:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-07 16:13 [Qemu-devel] [PATCH v3 0/5] crypto threads Vladimir Sementsov-Ogievskiy
2018-12-07 16:13 ` [Qemu-devel] [PATCH v3 1/5] crypto/block-luks: fix memory leak in qcrypto_block_luks_create Vladimir Sementsov-Ogievskiy
2018-12-07 16:13 ` [Qemu-devel] [PATCH v3 2/5] crypto/block: refactor qcrypto_block_*crypt_helper functions Vladimir Sementsov-Ogievskiy
2018-12-07 16:13 ` [Qemu-devel] [PATCH v3 3/5] crypto/block: rename qcrypto_block_*crypt_helper Vladimir Sementsov-Ogievskiy
2018-12-10 10:44 ` Alberto Garcia
2018-12-10 13:21 ` Daniel P. Berrangé
2018-12-10 13:24 ` Alberto Garcia
2018-12-07 16:13 ` Vladimir Sementsov-Ogievskiy [this message]
2018-12-10 10:45 ` [Qemu-devel] [PATCH v3 4/5] crypto/block: introduce qcrypto_block_*crypt_helper functions Alberto Garcia
2018-12-07 16:13 ` [Qemu-devel] [PATCH v3 5/5] crypto: support multiple threads accessing one QCryptoBlock Vladimir Sementsov-Ogievskiy
2018-12-10 14:06 ` Alberto Garcia
2018-12-10 14:52 ` Daniel P. Berrangé
2018-12-10 15:09 ` Alberto Garcia
2018-12-10 15:16 ` Daniel P. Berrangé
2018-12-10 15:24 ` Alberto Garcia
2018-12-10 15:19 ` [Qemu-devel] [PATCH v3 0/5] crypto threads Daniel P. Berrangé
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